package com.lipi.mall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.lipi.common.constant.ProductConstant;
import com.lipi.common.to.SkuHasStockVO;
import com.lipi.common.to.SkuReductionTO;
import com.lipi.common.to.SpuBoundTO;
import com.lipi.common.to.es.SkuEsModel;
import com.lipi.common.utils.R;
import com.lipi.mall.product.entity.*;
import com.lipi.mall.product.feign.CouponFeignService;
import com.lipi.mall.product.feign.SearchFeignService;
import com.lipi.mall.product.feign.WareFeignService;
import com.lipi.mall.product.service.*;
import com.lipi.mall.product.vo.*;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.lipi.common.utils.PageUtils;
import com.lipi.common.utils.Query;

import com.lipi.mall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    private SpuInfoDescService spuInfoDescService;

    @Autowired
    private SpuImagesService spuImagesService;

    @Autowired
    private AttrService attrService;

    @Autowired
    private ProductAttrValueService productAttrValueService;

    @Autowired
    private SkuInfoService skuInfoService;

    @Autowired
    private SkuImagesService skuImagesService;

    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    private CouponFeignService couponFeignService;

    @Autowired
    private BrandService brandService;

    @Autowired
    private CategoryService categoryService;

    @Autowired
    private ProductAttrValueService AttrValueService;

    @Autowired
    private WareFeignService wareFeignService;

    @Autowired
    private SearchFeignService searchFeignService;


    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVO vo) {
        //1、保存spu基本信息 pms_spu_info
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo, spuInfoEntity);

        spuInfoEntity.setCreateTime(new Date());
        spuInfoEntity.setUpdateTime(new Date());

        this.saveBaseSpuInfo(spuInfoEntity);
        //2、保存spu描述图片 pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(spuInfoEntity.getId());
        descEntity.setDecript(String.join(",", decript));

        spuInfoDescService.saveSpuInfoDesc(descEntity);
        //3、保存spu图片集 pms_spu_images
        List<String> images = vo.getImages();
        spuImagesService.saveImages(spuInfoEntity.getId(), images);

        //4、保存spu的规格参数 pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream()
                .map(item -> {
                    ProductAttrValueEntity productAttrValueEntity = new ProductAttrValueEntity();
                    productAttrValueEntity.setAttrId(item.getAttrId());
                    productAttrValueEntity.setAttrName(attrService.getById(item.getAttrId()).getAttrName());
                    productAttrValueEntity.setAttrValue(item.getAttrValues());
                    productAttrValueEntity.setSpuId(spuInfoEntity.getId());

                    return productAttrValueEntity;
                })
                .collect(Collectors.toList());

        productAttrValueService.saveProductAttr(collect);

        //保存spu的积分信息 sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTO spuBoundTo = new SpuBoundTO();

        BeanUtils.copyProperties(bounds, spuBoundTo);
        spuBoundTo.setSpuId(spuInfoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode() != 0) {
            log.error("【新增商品】【远程调用保存spu积分信息失败】");
        }

        //5、保存当前spu对于的所有sku信息
        //5.1: sku基本信息 pms_sku_info
        List<Skus> skus = vo.getSkus();
        if (skus != null && skus.size() > 0) {
            skus.forEach(item -> {
                String defaultImg = "";
                for (Images image : item.getImages()) {
                    if (image.getDefaultImg() == 1) {
                        defaultImg = image.getImgUrl();
                    }
                }
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item, skuInfoEntity);

                skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
                skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(spuInfoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //保存sku基本信息 pms_spu_info
                skuInfoService.saveSkuInfo(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();
                //5.2：sku图片信息 pms_sku_images
                List<SkuImagesEntity> imagesCollect = item.getImages().stream()
                        .map(img -> {
                            SkuImagesEntity skuImagesEntity = new SkuImagesEntity();

                            skuImagesEntity.setSkuId(skuId);
                            skuImagesEntity.setImgUrl(img.getImgUrl());
                            skuImagesEntity.setDefaultImg(img.getDefaultImg());
                            return skuImagesEntity;
                        }).filter(entity -> {
                            return StringUtils.isNotEmpty(entity.getImgUrl());
                        })
                        .collect(Collectors.toList());

                skuImagesService.saveBatch(imagesCollect);
                //5.3: sku的销售属性：pms_sku_sale_attr_value
                List<Attr> attrList = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntityList = attrList.stream()
                        .map(a -> {
                            SkuSaleAttrValueEntity skuSaleAttrValueEntity = new SkuSaleAttrValueEntity();
                            BeanUtils.copyProperties(a, skuSaleAttrValueEntity);

                            skuSaleAttrValueEntity.setSkuId(skuId);


                            return skuSaleAttrValueEntity;
                        })
                        .collect(Collectors.toList());

                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntityList);
                //5.4 sku的优惠、满减等信息：sms->sms_sku_ladder | sms_sku_full_reduction |
                SkuReductionTO skuReductionTo = new SkuReductionTO();

                BeanUtils.copyProperties(item, skuReductionTo);
                skuReductionTo.setSkuId(skuId);

                //剔除0-0的无意义数据
                if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal(0)) == 1) {
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode() != 0) {
                        log.error("【新增商品】【远程调用保存sku优惠信息失败】");
                    }
                }


            });
        }


    }

    private void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {

        this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageBucondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if (StringUtils.isNotEmpty(key)) {
            wrapper.and((w) -> {
                w.eq("id", key).or().like("spu_name", key);
            });
        }

        String status = (String) params.get("status");
        if (StringUtils.isNotEmpty(status)) {
            wrapper.and((w) -> {
                w.eq("publish_status", status);
            });
        }

        String brandId = (String) params.get("brandId");
        if (StringUtils.isNotEmpty(brandId) && !brandId.equalsIgnoreCase("0")) {
            wrapper.eq("brand_id", brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if (StringUtils.isNotEmpty(catelogId) && !catelogId.equalsIgnoreCase("0")) {
            wrapper.eq("catalog_id", catelogId);
        }


        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {

        //1、查询spu对应的所有sku信息
        List<SkuInfoEntity> skus = skuInfoService.getSkuBySpuId(spuId);

        //sku对应的所有的可检索的规格属性
        List<ProductAttrValueEntity> baseAttrs = AttrValueService.baseAttrlistForspu(spuId);

        List<Long> attrIds = baseAttrs.stream()
                .map(attr -> {
                    return attr.getAttrId();
                }).collect(Collectors.toList());

        List<Long> searchAttrIds = attrService.selectSearchAttrs(attrIds);

        Set<Long> idSet = new HashSet<>(searchAttrIds);

        List<SkuEsModel.Attrs> attrsList = baseAttrs.stream()
                .filter(item -> {
                    return idSet.contains(item.getAttrId());
                })
                .map(item -> {
                    SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
                    BeanUtils.copyProperties(item, attrs1);
                    return attrs1;
                })
                .collect(Collectors.toList());

        //todo 调用库存服务查询sku是否有库存
        List<Long> skuIds = skus.stream()
                .map(SkuInfoEntity::getSkuId)
                .collect(Collectors.toList());

        Map<Long, Boolean> stockMap = null;

        try {
            R result = wareFeignService.skuHasStock(skuIds);

            TypeReference<List<SkuHasStockVO>> typeReference = new TypeReference<List<SkuHasStockVO>>() {
            };

            stockMap = result.getData(typeReference).stream()
                    .collect(Collectors.toMap(SkuHasStockVO::getSkuId
                            , item -> item.getHasStock()));
        } catch (Exception e) {
            log.error("【远程调用库存服务】异常：{}", e);
        }


        //2、封装每个sku信息至esModel
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> upProducts = skus.stream().map(
                sku -> {
                    //组装需要的数据
                    SkuEsModel esModel = new SkuEsModel();

                    BeanUtils.copyProperties(sku, esModel);

                    esModel.setSkuPrice(sku.getPrice());
                    esModel.setSkuImg(sku.getSkuDefaultImg());

                    //todo 热度评分。0
                    esModel.setHotScore(0L);

                    //设置库存信息
                    if (finalStockMap == null) {
                        esModel.setHasStock(true);
                    } else {
                        esModel.setHasStock(finalStockMap.get(sku.getSkuId()));
                    }


                    //查询品牌和分类的名字信息
                    BrandEntity brandEntity = brandService.getById(sku.getBrandId());
                    String brandEntityName = brandEntity.getName();

                    CategoryEntity categoryEntity = categoryService.getById(sku.getCatalogId());
                    String categoryEntityName = categoryEntity.getName();

                    esModel.setBrandImg(brandEntity.getLogo());
                    esModel.setBrandName(brandEntityName);
                    esModel.setCatalogName(categoryEntityName);
                    //设置检索属性
                    esModel.setAttrs(attrsList);
                    return esModel;
                }
        ).collect(Collectors.toList());


        //将数据发送到es保存
        R r = searchFeignService.productStatusUp(upProducts);
        if (r.getCode() == 0) {
            //todo 调用成功,修改spu发布状态
            this.baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.UP_SPU.getCode());
        } else {
            //调用失败
        }
    }

    @Override
    public SpuInfoEntity getSpuInfoBySkuId(String skuId) {
        SkuInfoEntity skuInfoEntity = skuInfoService.getById(skuId);
        Long spuId = skuInfoEntity.getSpuId();
        return this.getById(spuId);
    }
}